dot: 重构 bashrc.d 目录结构，调整版本（包）管理器脚本加载顺序

- 将 mise、rust 等管理器脚本移入 manager/ 子目录，与工具脚本区分
- mise/volta 的补全改到各自 activate 函数内延迟生成，避免未激活时执行
- 新增 uv/uvx 的 bash 补全
- .bashrc 拆分为先加载 manager/ 再加载顶层脚本的两段流程
- .xprofile 改用 bash 解释并复用相同的脚本加载流程

dot/.bashrc.d/manager/mise.bash

@@ -1,15 +1,14 @@
 basedir=$(realpath -m $(dirname "${BASH_SOURCE[0]:-$0}"))
-source "${basedir}/function.bash"
+source "${basedir}/../function.bash"
 
 unset basedir
 
 if [[ -x $(type -p mise) ]]; then
-    completion_cmd="mise completion --include-bash-completion-lib bash"
-    generate-bash-completion mise "$completion_cmd"
-    unset completion_cmd
-
     mise-activate() {
         eval "$(mise activate bash)"
+
+        local completion_cmd="mise completion --include-bash-completion-lib bash"
+        generate-bash-completion mise "$completion_cmd"
     }
 
     mise-deactivate() {

dot/.bashrc.d/manager/rust.bash

@@ -1,5 +1,5 @@
 basedir=$(realpath -m $(dirname "${BASH_SOURCE[0]:-$0}"))
-source "${basedir}/function.bash"
+source "${basedir}/../function.bash"
 
 unset basedir
 

dot/.bashrc.d/uv.bash

@@ -0,0 +1,12 @@
+basedir=$(realpath -m $(dirname "${BASH_SOURCE[0]:-$0}"))
+source "${basedir}/function.bash"
+
+unset basedir
+
+if [[ -x "$(type -p uv)" ]]; then
+    generate-bash-completion uv "uv generate-shell-completion bash"
+fi
+
+if [[ -x "$(type -p uvx)" ]]; then
+    generate-bash-completion uvx "uvx --generate-shell-completion bash"
+fi

dot/.bashrc.d/volta.bash

@@ -6,10 +6,9 @@ unset basedir
 export VOLTA_HOME="${HOME}/.volta"
 
 if [[ -x $(type -p volta) || -x "${VOLTA_HOME}/bin/volta" ]]; then
-    generate-bash-completion volta "volta completions bash"
-
     volta-activate() {
         add-to-path "${VOLTA_HOME}/bin"
+        generate-bash-completion volta "volta completions bash"
 
         # enable pnpm support
         # export VOLTA_FEATURE_PNPM=1